Smart Start Ignition Interlock

S & S Customs
995 236th St
#3
North Liberty, IA 52317

#1 Ignition Interlock from $1.99/day*. Same-day installation available

Book your install now

Hours of Operation:

Day	1st Hour Block	2nd Hour Block
Sun	Closed
Mon	9:00am - 2:00pm
Tue	9:00am - 2:00pm
Wed	9:00am - 2:00pm
Thu	9:00am - 2:00pm
Fri	9:00am - 2:00pm
Sat	Closed

Services at this Location:

Installations
Calibrations

Book an Installation

With the thousands of locations across the nation, 24/7 customer support, no hidden fees and the most reliable device on the market, Smart Start Ignition Interlock devices are hands-down the best way to get you back on the road fast.

Get a quick and easy IID installation with Smart Start! Get started today!

¡Obtenga una instalación rápida y fácil de IID con Smart Start! ¡Empieza hoy mismo!

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By providing your information and clicking “Book Your Install Now”, I authorize 1A Smart Start LLC and it’s franchisees’ to contact me at the phone number and/or email address above via phone, text, and/or email using multiple and periodic autodialed and prerecorded calls and texts for marketing purposes. Not a condition for purchase. Message and data rates may apply. To opt-out of texts, replay “STOP,” and to opt-out of emails click the email unsubscribe link.

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By providing my information and clicking “Book Your Install Now,” I authorize [Insert Legal Name of Franchisee, distributor, or affiliate] to contact me at the phone number above via phone and/or text using multiple and periodic autodialed and prerecorded calls and texts for marketing purposes. Not a condition for purchase. Message and data rates may apply. To opt-out of texts, reply “STOP”.

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Fast-Track Your Installation

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.

Date of Birth

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Or Call (515) 575-3010 Now!

¡O llame ahora al (515) 575-3010!

Why Choose Smart Start Ignition Interlock?

From $1.99/Day* - No Long-Term Contracts

Bi-weekly payment options designed to fit your budget.

IGNITION INTERLOCK COSTS

3,000+ Locations - Same Day Install

Quick installs by skilled technicians at convenient U.S. locations.

FIND A LOCATION

Discreet, Easy-to-Use Devices

Reliable, hygienic devices with guided tests and easy English-Spanish switching.

SMART START DEVICES

24/7 Knowledgeable State Program Experts

Multilingual support trusted by over 1 million people, ready when you need us.

TALK TO A PROGRAM ADVISOR

#1 Ignition Interlock Device Provider at S & S Customs in North Liberty

If you are looking for an Ignition Interlock Device in Iowa City, Smart Start is the best choice. With over 25 years' experience and many shop locations in Iowa, we get clients back on the road fast. We also have the best customer service team in the industry. Our knowledgeable Customer Care Center is standing by 24/7/365 to help you through any questions or concerns you may have. We are across the street from Meadowlark Psychiatric Services and look forward to serving you!

Call Smart Start today at (515) 575-3010 to schedule your installation appointment. Can't talk over the phone? We have an online form that only takes minutes to fill out.

You can find S&S Customs located in front of the railroad tracks in North Liberty, Iowa. Look for the Smart Start sign! S&S Customs is family owned and operated and has been in business for 18 years. Scott, the shop owner, has been working at S&S Customs for 18 years and has been in the field for 25 years. A motor vehicle enthusiast by nature, he enjoys motorcycles and racing - come visit S&S Customs for the best care of you and your vehicle in the North Liberty area during your Ignition Interlock Device (IID) program!

You can locate additional Smart Start locations in Cedar Rapids, Iowa City or throughout Iowa.

Frequently Asked Questions

The overall cost of an Ignition Interlock Device is a combination of installation fees, monthly service fees, and removal fees. Exact pricing varies by state. To get a quote today, call (800) 831-3299 to speak with a friendly Program Advisor.

Once you have scheduled your Ignition Interlock Device (IID) installation with Smart Start, you will need to bring the following to your IID installation appointment in Iowa:

Two valid forms of identification—one of which should include a photo of you.
Proof of residence.
Any and all court documents that may be relevant to your Ignition Interlock Device requirement or your restricted driving period.
Vehicle registration. If you do not own the vehicle on which you’re installing the Ignition Interlock Device, or if that vehicle is not registered to you, you will need to bring a letter of permission from the registered owner stating that you are allowed to install an Ignition Interlock Device on the vehicle.
The vehicle on which you’ll be installing an Ignition Interlock Device (IID).

If you have any additional questions or concerns about the installation process or what is required for a successful installation, please don’t hesitate to call our customer care team at (800) 831-3299. You can also click on the chat window below to begin a discussion with one of our customer care advocates.

You may be able to service your Ignition Interlock Device at any Smart Start service center nationwide. However, we strongly suggest checking with your state authority in Iowa before seeking service outside of your state. Find the nearest Smart Start service center here.

Typically, you will need to service your Ignition Interlock Device (IID) once every 30-60 days or as determined by your jurisdiction in Iowa.

Ignition Interlock Device violation criteria can vary by state. Any and all of the following may constitute a violation in Iowa:

A skipped rolling retest
Tampering with the Ignition Interlock Device in any way
Any breath sample that registers a BrAC above .02 percent
Missing your scheduled IID service appointment

Learn more about Ignition Interlock Device violations.

In Iowa, you can pay for your Interlock Device calibration via credit card at the Smart Start service center at the time of calibration or via the online Client Portal.

Nearby Locations

Reflection Detailing & Protection LLC

3515 Dolphin Drive SE
Iowa City, IA 52240

CLOSED – Opens at 9:00am Mo

Services at this Location:

Installations, Calibrations

(800) 831-3299 More Details

Diamond Effect Tint and Accessories LLC

5300 20th Ave SW
Cedar Rapids, IA 52404

CLOSED – Opens at 9:30am Tu

Services at this Location:

Installations, Calibrations

(833) 408-3170 More Details

YB Customs

660 51st St
Marion, IA 52302

CLOSED – Opens at 9:00am Mo

Services at this Location:

Installations, Calibrations

(319) 471-4028 More Details

See What Everyone Says About Our Ignition Interlock

Excellent TrustScore Rating

June 22, 2025

"She was very knowledgeable and answered all my questions. I am new to this so she was very helpful and understanding. She got me setup and explained everything in great detail. She even said if I was confused about anything later on down the road to just call back. "

Nathan H.

United States

June 21, 2025

"The lady I spoke with was very helpful informative about what would be happening what I would need. I am also informed that the technicians are very experienced so I believe after the search that I was doing to find the right service was Smart start. So I thank you very much and I look forward to working with Smart start and helping me as I stay on the right path going forward!"

Nathaniel C.

United States

June 21, 2025

"When I fiiiiiiiiinally got to talk to someone after a long time that one person was extremely helpful "

Aaron V.

United States

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Find a location near you!

Smart Start Ignition Interlock

Hours of Operation:

Services at this Location:

Book an Installation

Fast-Track Your Installation

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.

Or Call (515) 575-3010 Now!

¡O llame ahora al (515) 575-3010!

From $1.99/Day* - No Long-Term Contracts

3,000+ Locations - Same Day Install

Discreet, Easy-to-Use Devices

24/7 Knowledgeable State Program Experts

#1 Ignition Interlock Device Provider at S & S Customs in North Liberty

Frequently Asked Questions

Nearby Locations

Reflection Detailing & Protection LLC

Services at this Location:

Diamond Effect Tint and Accessories LLC

Services at this Location:

YB Customs

Services at this Location:

Get Started

Locations

Support

Partners

Contact Us

Find a location near you!

Smart Start Ignition Interlock

Hours of Operation:

Services at this Location:

Book an Installation

Fast-Track Your Installation

Want to speed up the installation appointment process?We can get you a quote faster if you fill out the information below.

Or Call (515) 575-3010 Now!

¡O llame ahora al (515) 575-3010!

Why Choose Smart Start Ignition Interlock?

From $1.99/Day* - No Long-Term Contracts

3,000+ Locations - Same Day Install

Discreet, Easy-to-Use Devices

24/7 Knowledgeable State Program Experts

#1 Ignition Interlock Device Provider at S & S Customs in North Liberty

Frequently Asked Questions

How much does an Ignition Interlock Device cost in Iowa? What are the fees?

What do I need to bring to my installation in North Liberty?

Where can I go for service? Anywhere, or just within my state?

How often does my IID need to be serviced in Iowa?

What constitutes a violation in Iowa?

How can I pay for calibration?

Nearby Locations

Reflection Detailing & Protection LLC

Services at this Location:

Diamond Effect Tint and Accessories LLC

Services at this Location:

YB Customs

Services at this Location:

See What Everyone Says About Our Ignition Interlock

Get Started

Locations

Support

Partners

Contact Us

Want to speed up the installation appointment process?
We can get you a quote faster if you fill out the information below.